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Design of an integrated voltage regulator
Linköping University, Department of Electrical Engineering.
2003 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Design av en integrerad spänningsregulator (Swedish)
Abstract [en]

Many analog systems need a stable power supply voltage that does not vary with temperature and time in order to operate properly. In a battery operated system the battery voltage is not stable, e.g. it decreases with decreasing temperature and with ageing. In that case a voltage regulator must be used, that regulates the battery voltage and generates a stable supply voltage to power other circuitry.

In this thesis a voltage regulator to be used in a battery operated system has been designed which meets the given specification of stability and power capabilities. A voltage reference, which is a commonly used devise in analog circuits, was also designed. The role of a reference voltage in an electrical system is the same as for a tuning fork in a musical ensemble; to set a standard to which other voltages are compared.

A functionality to detect when the lifetime of the battery is about to run out was also developed.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2003.
Series
LiTH-ISY-Ex, 3513
Keyword [en]
Electronics, voltage regulator, voltage reference, bandgap reference, CMOS, portable
Keyword [sv]
Elektronik
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-1711OAI: oai:DiVA.org:liu-1711DiVA: diva2:19036
Uppsok
teknik
Available from: 2003-12-16 Created: 2003-12-16

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf